[PATCH] net/cadence/macb: fix invalid 0 return if no phy is discovered on mii init
From: Boris BREZILLON <hidden>
Date: 2013-08-27 12:37:00
Also in:
linux-devicetree, lkml, netdev
Subsystem:
atmel macb ethernet driver, networking drivers, the rest · Maintainers:
Théo Lebrun, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Replace misleading -1 (-EPERM) by a more appropriate return code (-ENXIO) in macb_mii_probe function. Save macb_mii_probe return before branching to err_out_unregister to avoid erronous 0 return. Signed-off-by: Boris BREZILLON <redacted> Acked-by: Nicolas Ferre <redacted> --- drivers/net/ethernet/cadence/macb.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index fe06ab0..7660c45 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c@@ -276,7 +276,7 @@ static int macb_mii_probe(struct net_device *dev) phydev = phy_find_first(bp->mii_bus); if (!phydev) { netdev_err(dev, "no PHY found\n"); - return -1; + return -ENXIO; } pdata = dev_get_platdata(&bp->pdev->dev);
@@ -379,9 +379,9 @@ int macb_mii_init(struct macb *bp) if (err) goto err_out_free_mdio_irq; - if (macb_mii_probe(bp->dev) != 0) { + err = macb_mii_probe(bp->dev); + if (err) goto err_out_unregister_bus; - } return 0;
--
1.7.9.5